[vtk-developers] Why is BuildShaders() continuously being called?

Milef, Nicholas Boris milefn at rpi.edu
Fri Sep 9 17:47:10 EDT 2016


Under what conditions are shaders actually rebuilt? This seems to be the source of my performance issues and I need to know how to avoid this. The function I'm referring to is in vtkOpenGLPolyDataMapper(). It seems that they get rebuilt when an object gets modified, is this true?

Thanks,
Nick
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